he found himself in an unknown land,from where he eventually reached Greenland.为什么定语从句中from where中from后面可以加where?为什么from where不能换成from which?

When he wake up,he found himself in hospital.的各个句子成分及其句子结构 He found himself in a very dangerous s__whileclimbing in the moutainwhy He found himself in the garden这句话是错的吗?为什么? when he turned the corner,he found himselwhen he turned the corner,he found himself _____by a man in black A was tailedB tailed请问选什么为什么 Jack cried (after he found himself lost in the forest).[对括号部分提问]when why did jack cry Tom found himself in a dificult ____financially after he gave up the jobAcondition Bposition Cstandard Dsituation 为什么是C啊 翻译句子,Once off that long High Street ,he found himself in some very poor pasts of the town He found himself sunk in a trouble.是sunk还是 sinking?还是说这个句子是错的? he found himself in san francisco instead of los angeles...instead of los angeles做什么成分 He soon found himself his new co-workers.A.in harmony of B.in the harmony of C.in harmony with D.in the harmony with He looked ___the mirror and found himself a little thinner. 同义句改写 To his surprise ,he soon found himself soaring in the sky.He was ________to_______himself soaring in the sky. when he turned the corner,he found himself ------- by a man in black.A tailed B been tailed C was tailed D had been tailed when he came back to life,the young man found himself lying in a house and everything he had stolen为什么不用had been stolen When he finally came to,he found himself ______ in a cave.A.trappedB.having been trappedC.being trappedD.be trapped正确答案是： When he turned the corner,he found himself ( )(tail)by a man in black.括号里填什么,为什么这么填? Only he found himself alone in the little room,he was able to think clearly改错哪里错了?总觉得不对劲,但是又想不出从哪儿改 After eating his first good meal in weeks ,he found himself l___ to the owner.后面还有一句话tellinghim he had lost his wallet.